VIOOH and OUTFRONT just unlocked a quarter of the US DOOH market: VIOOH and OUTFRONT partner to bring 7,600 digital screens and 18 billion monthly impressions to programmatic buyers, covering 25% of the US DOOH market. https://ppc.land/viooh-and-outfront-just-unlocked-a-quarter-of-the-us-dooh-market/ #DigitalAdvertising #DOOH #ProgrammaticAdvertising #MarketingInnovation #OutfrontMedia